JPH0225124A - レーザダイオードを有する光送信機 - Google Patents
レーザダイオードを有する光送信機Info
- Publication number
- JPH0225124A JPH0225124A JP1129990A JP12999089A JPH0225124A JP H0225124 A JPH0225124 A JP H0225124A JP 1129990 A JP1129990 A JP 1129990A JP 12999089 A JP12999089 A JP 12999089A JP H0225124 A JPH0225124 A JP H0225124A
- Authority
- JP
- Japan
- Prior art keywords
- current
- laser diode
- component
- signal
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 21
- 238000012935 Averaging Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000255 optical extinction spectrum Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/504—Laser transmitters using direct modulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/06832—Stabilising during amplitude modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/58—Compensation for non-linear transmitter output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3817836A DE3817836A1 (de) | 1988-05-26 | 1988-05-26 | Optischer sender mit einer laserdiode |
| DE3817836.2 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0225124A true JPH0225124A (ja) | 1990-01-26 |
Family
ID=6355135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1129990A Pending JPH0225124A (ja) | 1988-05-26 | 1989-05-23 | レーザダイオードを有する光送信機 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5153765A (fr) |
| EP (1) | EP0343725B1 (fr) |
| JP (1) | JPH0225124A (fr) |
| DE (2) | DE3817836A1 (fr) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160021A (ja) * | 1989-11-17 | 1991-07-10 | Daicel Chem Ind Ltd | ポリカーボネートの製造法 |
| JPH07231304A (ja) * | 1994-02-18 | 1995-08-29 | Oki Electric Ind Co Ltd | 光送信回路 |
| JP2004158644A (ja) * | 2002-11-06 | 2004-06-03 | Toshiba Corp | 半導体レーザの光出力安定化回路および光送信モジュール |
| JP2008152951A (ja) * | 2006-12-14 | 2008-07-03 | Citizen Electronics Co Ltd | シートスイッチモジュール |
| US8063326B2 (en) | 2007-08-30 | 2011-11-22 | Fujitsu Limited | Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04192729A (ja) * | 1990-11-27 | 1992-07-10 | Fujitsu Ltd | 光送信装置 |
| GB2253962A (en) * | 1991-03-21 | 1992-09-23 | Stc Plc | Optical transmitter modulation |
| DE4110095C2 (de) * | 1991-03-27 | 1998-02-12 | Draegerwerk Ag | Verfahren zur gasspektroskopischen Messung der Konzentration eines Gasbestandteiles |
| US5247532A (en) * | 1992-06-01 | 1993-09-21 | Finisar Corporation | Method and apparatus for stimulating a laser diode in a fiber optic transmitter |
| DE4316811A1 (de) * | 1993-05-19 | 1994-11-24 | Philips Patentverwaltung | Optisches Übertragungssystem mit einer Laserdiode |
| US5448076A (en) * | 1993-09-30 | 1995-09-05 | Siemens Components, Inc. | Optically-coupled differential line driver generating an optical signal having at least three states |
| US5448629A (en) * | 1993-10-14 | 1995-09-05 | At&T Corp. | Amplitude detection scheme for optical transmitter control |
| US5373387A (en) * | 1993-10-14 | 1994-12-13 | At&T Corp. | Method for controlling the amplitude of an optical signal |
| JPH07240555A (ja) * | 1994-02-25 | 1995-09-12 | Fujitsu Ltd | 自動バイアス電流制御型apc回路を有する光送信器 |
| US5394416A (en) * | 1994-05-11 | 1995-02-28 | Alcatel Network Systems, Inc. | Laser modulation controller using additive and amplitude modulation control tones |
| US5513029A (en) * | 1994-06-16 | 1996-04-30 | Northern Telecom Limited | Method and apparatus for monitoring performance of optical transmission systems |
| US5754577A (en) * | 1996-07-23 | 1998-05-19 | Broadband Communications Products, Inc. | Compensation for variations in temperature and aging of laser diode by use of small signal, square-law portion of transfer function of diode detection circuit |
| US5850409A (en) * | 1997-03-21 | 1998-12-15 | Maxim Integrated Products, Inc. | Laser modulation control method and apparatus |
| US6006172A (en) * | 1997-06-24 | 1999-12-21 | Cypress Semiconductor Corp. | Method and software for optimizing an interface between components |
| DE19818088B4 (de) * | 1997-09-26 | 2005-09-01 | Fujitsu Ltd., Kawasaki | Optische Kommunikationseinheit |
| JP3587971B2 (ja) | 1997-09-26 | 2004-11-10 | 富士通株式会社 | 光通信ユニット |
| EP1204227B1 (fr) * | 1999-08-13 | 2006-12-27 | Fujitsu Limited | Systeme de communication optique et terminal |
| DE19948689A1 (de) | 1999-09-30 | 2001-04-19 | Infineon Technologies Ag | Regelvorrichtung für Laserdioden |
| KR100693081B1 (ko) * | 2000-02-09 | 2007-03-12 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 방사원용 제어회로와 방사원을 제어하는 방법 |
| US6917639B2 (en) * | 2001-08-09 | 2005-07-12 | Ricoh Company, Ltd. | Laser driver circuit |
| DE60128350T2 (de) * | 2001-09-03 | 2008-01-10 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Steuerschaltung zur Kontrolle des Extinktionsverhältnis eines Halbleiterlasers |
| US6760353B2 (en) * | 2002-07-30 | 2004-07-06 | Broadcom Corporation | Jitter suppression techniques for laser driver circuits |
| CA2475850A1 (fr) | 2003-01-08 | 2003-07-29 | Ceyx Technologies, Inc. | Appareil et procede pour mesurer des signaux laser dynamiques |
| EP1761979B1 (fr) * | 2004-04-21 | 2010-11-24 | Tecey Software Development KG, LLC | Procede et appareil de correction de performances d'un laser ameliorees par le traitement d'un signal numerique |
| US20070160374A1 (en) * | 2005-12-20 | 2007-07-12 | Fujitsu Limited | Optical transmitter and method for controlling optical transmitter |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1565764A (en) * | 1978-02-02 | 1980-04-23 | Standard Telephones Cables Ltd | Optical fibre digital transmission systems |
| DE2847182C3 (de) * | 1978-10-30 | 1986-07-10 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Modulationsstromregelung von Laserdioden |
| US4305047A (en) * | 1979-10-09 | 1981-12-08 | Digital Communications Corp. | Feedback circuit for controlling the peak optical output power of an injection laser |
| DE3137491A1 (de) * | 1981-09-21 | 1983-04-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur herstellung eines abgedichteten scheinwerfers, insbesondere fuer kraftfahrzeuge |
| FR2526554B1 (fr) * | 1982-05-06 | 1985-06-07 | Telecommunications Sa | Procede de regulation de moyens emetteurs d'informations lumineuses et le systeme de mise en oeuvre |
| DE3508034A1 (de) * | 1985-03-07 | 1986-09-11 | Ant Nachrichtentech | Schaltungsanordnung zur ansteuerung eines halbleiterlasers |
| US4733398A (en) * | 1985-09-30 | 1988-03-22 | Kabushiki Kaisha Tohsiba | Apparatus for stabilizing the optical output power of a semiconductor laser |
| US4677632A (en) * | 1985-10-28 | 1987-06-30 | American Telephone And Telegraph Company, At&T Bell Laboratories | Coupled loop controller for a laser transmitter |
| US4757193A (en) * | 1986-12-22 | 1988-07-12 | Gte Communication Systems Corporation | Laser DC bias controller |
| DE3706572A1 (de) * | 1987-02-28 | 1988-09-08 | Philips Patentverwaltung | Regelung von laserdioden |
-
1988
- 1988-05-26 DE DE3817836A patent/DE3817836A1/de not_active Withdrawn
-
1989
- 1989-05-22 DE DE58908759T patent/DE58908759D1/de not_active Expired - Fee Related
- 1989-05-22 EP EP89201272A patent/EP0343725B1/fr not_active Expired - Lifetime
- 1989-05-23 JP JP1129990A patent/JPH0225124A/ja active Pending
-
1992
- 1992-02-11 US US07/835,094 patent/US5153765A/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160021A (ja) * | 1989-11-17 | 1991-07-10 | Daicel Chem Ind Ltd | ポリカーボネートの製造法 |
| JPH07231304A (ja) * | 1994-02-18 | 1995-08-29 | Oki Electric Ind Co Ltd | 光送信回路 |
| JP2004158644A (ja) * | 2002-11-06 | 2004-06-03 | Toshiba Corp | 半導体レーザの光出力安定化回路および光送信モジュール |
| JP2008152951A (ja) * | 2006-12-14 | 2008-07-03 | Citizen Electronics Co Ltd | シートスイッチモジュール |
| US8063326B2 (en) | 2007-08-30 | 2011-11-22 | Fujitsu Limited | Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE58908759D1 (de) | 1995-01-26 |
| US5153765A (en) | 1992-10-06 |
| EP0343725A3 (fr) | 1991-11-27 |
| EP0343725B1 (fr) | 1994-12-14 |
| DE3817836A1 (de) | 1989-11-30 |
| EP0343725A2 (fr) | 1989-11-29 |
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